Vidulk is an AI-powered mobile app for iOS and Android that turns long videos and audio into viral short-form clips. It also includes an AI image studio and professional caption editor.

How does AI clip detection work?

Import a video or paste a link — Vidulk transcribes the audio using AI speech recognition that supports 99 languages, then analyzes the transcript to find the most engaging moments. Each clip is scored by virality potential and categorized as Insight, Story, Funny, Tactical, Controversial, or Emotional.

What languages does Vidulk support?

Vidulk supports speech recognition in 99 languages including English, Spanish, French, German, Korean, Japanese, Chinese, Arabic, Hindi, Portuguese, and many more. The app interface is available in over 30 languages. Language is detected automatically.

What caption and editing features are available?

Vidulk includes 7 caption styles (Highlight, Karaoke, Typewriter, Minimal, Bold Pop, Gradient, and more), customizable fonts, colors, and animations. Export in multiple aspect ratios (9:16 for Shorts/Reels, 1:1 Square, 4:5 Portrait, 16:9 Landscape) at up to 4K resolution.

What is the AI Image Studio?

AI Studio lets you generate thumbnails and images from text prompts with 6 artistic styles including Realistic, Illustrated, Abstract, Minimalist, Anime, and Watercolor. It also includes an Image Enhancer that upscales images 2x or 4x. All processing happens on-device for privacy.

What content types does Vidulk work with?

Vidulk is optimized for podcasts, YouTube videos, interviews, lectures, gaming highlights, vlogs, music, sports, and news content. Import from YouTube, TikTok, Instagram, Twitter/X, Facebook, or upload directly from your camera roll.

Does Vidulk work with long videos?

Yes. Vidulk handles videos of any length. Short videos are processed on-device, while longer videos (over 5 minutes) are processed using server-side AI for faster and more reliable results.

What platforms is Vidulk available on?

Vidulk is available on both iOS (App Store) and Android (Google Play Store). The app interface is available in over 30 languages.

Yes. Video transcription and AI image processing happen on-device. Your videos are not stored on external servers permanently. You can delete your account and all data at any time from the app settings.

Can I use Vidulk for audio-only content like podcasts?

Yes. Vidulk fully supports audio-only content. Import MP3, M4A, WAV, or other audio files. AI detects the best moments and you can add AI-generated background images or choose from 1,200+ built-in backgrounds to create video clips from audio.

Can Vidulk remove captions or subtitles from videos?

Yes. Vidulk includes AI-powered caption removal that automatically detects and removes burned-in captions and subtitles from your videos before clipping. It works best with dynamic/moving captions like those on TikTok, Reels, and YouTube. Enable it with a simple checkbox when importing your video. Processing takes 7-20 minutes and uses additional credits based on video length.

How do I export clips from Vidulk?

After editing, choose your aspect ratio (9:16, 1:1, 4:5, or 16:9), resolution (720p, 1080p, or 4K), and export. Clips are saved directly to your Photos library and can be shared instantly to any platform.

YouTube Reply Thread Generator

Quickly create realistic, customizable fake YouTube reply threads for entertainment, memes, and mockups using Vidulk’s free browser-based generator.

Fake Comments Generator

Build a fake YouTube, TikTok or Instagram comment thread, then download it as a video (comments pop in) or a screenshot. Free, in your browser — nothing is uploaded.

Platform

HeadingDark mode

Comments

VerifiedCreator

Script import & bulk exportpaste a script instead of typing

Reading a script into the editor is free. Downloading up to 10 videos at once needs a PREMIUM code.

1. Get scripts from ChatGPT, Claude or any AI

Say what the videos are about. Copy the prompt, paste it into your AI, then paste its answer below.

Videos

Or open it in ChatGPT or Claude.

2. Paste the scripts

Writing them yourself? See the format

Start each video with a line like === 1 ===.
One label: text per line. title: names the file.
Each comment is one line written as @username: the comment | likes, for example | 2.4K.
You may add platform: youtube, tiktok or instagram, and heading: such as 1,204 comments.
You may add dark mode: yes or no.
Write 4 to 8 comments per script. Make usernames look real.

Video pacing

Video background

PREMIUM

Put your video on a moving background, the format story channels use.

Free to preview. Downloading with a background needs a . The free download saves your video without it.

Gameplay, b-roll, anything you have the rights to. It stays on your device.

Get a premium code

No watermark on videos and screenshots
Video backgrounds, including your own footage
Bulk export: up to 10 videos at once
Works on every Vidulk tool, on the site and in the Chrome extension

Secure payment via Stripe · no account · one code unlocks everything premium

How it works

Pick a premium code and pay with Stripe. No account or login needed.
Your code (VID-…) appears right after payment and is emailed to you.
Paste it in the “Have a code” box and click Apply. Everything premium is unlocked from then on.
The same code works on every Vidulk tool, on vidulk.com and in the Vidulk Chrome extension, on any device — just paste it again.
The 24-hour pass runs for a day from purchase and never counts down. Monthly renews each month until you cancel, which you can do any time from this panel; the rest of the month stays yours.
Unlimited is a one-time lifetime license: it never expires and there is nothing to renew.
Keep your code private — it is the only thing that unlocks your purchase. Sharing a code is against our Terms of Use: a shared code is invalidated, without refund. Codes do not work in the mobile app.

Made by Vidulk — the AI app that turns text & long videos into viral story clips.

YouTube Reply Thread Generator - Create Realistic Comment

What Is a YouTube Reply Thread Generator?

A YouTube reply thread generator lets you build fake YouTube comment threads, complete with nested replies, creator badges, like counts, and custom avatars. Vidulk’s tool recreates the authentic YouTube look, making it ideal for skits, memes, and visual mockups - not for impersonation or deception.

Key Features of Vidulk’s Fake YouTube Reply Thread Generator

Realistic Design: Matches YouTube’s comment section style with round avatars, @handles, timestamps, thumbs-up/down, and reply nesting.
Editable Everything: Change avatars, names, comment text, likes, badges (pinned/hearted), and nest replies to mimic arguments or creator interactions.
Theme Options: Switch between light and dark YouTube themes for your thread.
Flexible Export: Download your thread as an animated MP4 video or a PNG screenshot.
Browser-Based & Free: Use on any device - iPhone, Android, PC, Mac - directly in your browser. No account needed. Free exports have a small watermark, removable with a one-time code.

How to Use the Generator

Go to vidulk.com/fake-comments.
Select the YouTube comment style.
Edit each part: avatars, handles, comment text, likes, badges, and reply nesting.
Preview in light or dark mode.
Export as MP4 or PNG for your skit, meme, or mockup project.

Responsible Use

Vidulk’s fake YouTube reply thread generator is designed for entertainment, skits, memes, and harmless mockups. Do not use it to impersonate real individuals or to mislead others. Always respect platform rules and ethical guidelines when sharing generated content.

Make it now - the free comment generator is on this page, preset to this platform.

Try Vidulk

FAQ

Can I make a fake YouTube reply thread without signing up?

Yes, Vidulk’s generator works in your browser with no account or signup required.

What export options are available?

You can export your fake YouTube reply thread as an animated MP4 video or a PNG screenshot.

Is there a watermark on the exported threads?

Free exports include a small watermark. You can remove it using a one-time code.

Can I nest replies and add creator badges?

Yes, you can add multiple nested replies and include badges like pinned or hearted-by-creator.

Is it okay to use this tool to impersonate real people?

No, the generator is for entertainment, memes, and mockups only - not for impersonation or deception.